FINISHING—With A, from right side, on cast-on edge, work 1 sc in each of first 71 sts, * 2 sc in next st, 1 sc in each of next 3 sts; repeat from * 39 times, 1 sc in each st to end of row; continue sc across short side in­creasing in corners to keep edge even; on bound-off edge, 1 sc in each of first 66 sts, * skip next st, 1 sc in each of next 3 sts; repeat from * 26 times, 1 sc in each st to end; continue sc on 2nd short side; join with slip st in first st. Fasten off.
Pin out to measurements on chart, see below. Steam.